Republic Oil
Operator of record for 354 catalogued wells across 5 states. Every well below links to its full registry page.
Filed as: REPUBLIC OIL CO · REPUBLIC OIL CORP · Republic Oil · Republic Oil Co. · …
At a glance
Republic Oil is the operator of record for 354 catalogued U.S. oil & gas wells in 5 states. 88 (25%) are active, 246 (69%) plugged & abandoned. Its largest concentration is in Illinois, with 338 wells (95% of its portfolio).
Wells operated
354
Active
88
Plugged
246
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Illinois | 338 |
| Kentucky | 8 |
| Ohio | 6 |
| Michigan | 1 |
| Montana | 1 |
Well mix
- Oil wells
- 224
- Gas wells
- 1
- Shut-in
- 0
- Active share
- 25%
Is this your company?
Claim Republic Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Republic Oil operate?
Republic Oil's catalogued wells are spread across 5 states: Illinois (338), Kentucky (8), Ohio (6), Michigan (1) and Montana (1). Its 338 Illinois wells are 0.2% of the 174,478 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.
How many of Republic Oil’s wells are active, plugged or orphaned?
25% of Republic Oil's catalogued wells are active, 4 percentage points below the national share of 29%. 69% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Republic Oil operate?
By product class, 224 (63%) are oil wells and 1 (0.3%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Fildes Comm 1 in Wayne, IL at 4,982 ft. The wells listed below sit in Wayne (IL) and White (IL). State filings spell the name 5 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Republic Oil
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Fildes Comm 1 | 12-191-07940 | Plugged & abandoned | Oil | Wayne, IL | Republic Oil Company, Inc. | 4,982 ft |
| Barbre, Martin 1-A | 12-193-32430 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,450 ft |
| Brown, Lawrence 2 | 12-193-32519 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,403 ft |
| Stone Heirs 4 | 12-193-33012 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,400 ft |
| Stocke 12 | 12-193-32368 | Other status | Other type | White, IL | Republic Oil Company, Inc. | 4,391 ft |
| Roser Community 1 | 12-193-31971 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,360 ft |
| Brown, Lawrence 3 | 12-193-32610 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,350 ft |
| Bohleber 1 | 12-193-32431 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,332 ft |
| Brown 1 | 12-193-32398 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,330 ft |
| Winter 3 | 12-193-32013 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,320 ft |
| Williams Tr. 3 | 12-193-32367 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,305 ft |
| Brown, Bob Comm. 1 | 12-193-32518 | Active | Oil | White, IL | Republic Oil Company, Inc. | 4,250 ft |
Deepest first where depth is published. See all 354 wells →
Frequently asked questions
How many wells does Republic Oil operate?
Republic Oil is the operator of record for 354 catalogued oil & gas wells, with the largest concentration in Illinois (338). Only wells in states WellCensus has ingested are counted.
How many of Republic Oil's wells are still active?
88 of Republic Oil's catalogued wells are active; 246 are plugged & abandoned.
In which states does Republic Oil operate wells?
Republic Oil is the operator of record for wells in Illinois (338), Kentucky (8), Ohio (6), Michigan (1) and Montana (1).
Does Republic Oil operate mostly oil or gas wells?
224 of Republic Oil's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.
What is Republic Oil's deepest well?
Among wells with a published depth, Fildes Comm 1 in Wayne, IL is the deepest at 4,982 ft.
Where Republic Oil's wells are
- Oil & gas wells in Illinois· 338 operated by Republic Oil
- Oil & gas wells in Kentucky· 8 operated by Republic Oil
- Oil & gas wells in Ohio· 6 operated by Republic Oil
- Oil & gas wells in Michigan· 1 operated by Republic Oil
- Oil & gas wells in Montana· 1 operated by Republic Oil
- Largest U.S. well operators
- All well operators
About this data
Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.
Cite as: WellCensus, “Republic Oil — well portfolio”, https://wellcensus.com/operators/republic-oil-67221 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).